Click on START then on RUN and type in REGEDIT and click OK. The Registry will pop up. (Click on the + sign on these items:)
HKEY_LOCAL_MACHINE SOFTWARE MICROSOFT WINDOWS CURRENT_VERSION POLICIES
Next, double click on RATINGS. On the right half of the window, a Name will appear. Right Click on the NAME and an options window will appear. Click on DELETE. Next, close the Registry Editor with the 'X' in the upper right corner. That should fix it.